1z0-819 Practice Exam Questions with Answers Java SE 11 Developer Certification

the loop starting line 11

the loop starting line 7

the loop starting line 14

the loop starting line 3

A java.nio.file.FileAlreadyExistsException is thrown on line 1.

A java.nio.file.NoSuchFileException is thrown on line 2.

A copy of /repo/a/a.txt is moved to the /repo directory and /repo/a/a.txt is deleted.

a.txt is renamed repo.

The compilation fails.

[-1, -2, -3]

[-3, -2, -1]

A runtime exception is thrown.

public void x() { }

public void z() { }

public void x() { }

protected void y() { super.y(); }

public void z() { }

void x() { }

public void y() { }

public void z() { }

void x() { super.y(); }

public void z() { }

void x() { }

public void z() { }

NullPointerException is thrown at line 4.

NullPointerException is thrown at line 10.

A compilation error occurs.

Hello

2-4

0-6

1-5

2-4

1-5

1-5

2-4

The compilation fails due to an error in line 1.

0-6

0-6

2-4

Only a module that requires the java.se module is permitted to require the java.sql module.

Any module that requires the java.se module does not need to require the java.sql module.

Any module that attempts to require the java.se module actually requires the java.sql module instead.

Any module that requires the java.sql module does not need to require the java.se module.

Option A

Option B

Option C

Option D

float z = (float)(Math.round((float)x/y*100)/100);

float z = Math.round((int)(x/y),2);

float z = Math.round((float)x/y,2);

float z = Math.round((float)x/y*100)/(float)100;

line 12

line 6

line 9

line 8

line 7

Add catch (L |N e).

Add catch (L |M N e).

Add catch (L e).

Add catch (N | L | M e).

Add catch (M |L e).

jmod describe

java Hello.java

jdeps --list-deps

jar --show-module-resolution

java --show-module-resolution

Option A

Option B

Option C

Option D

Option E

Option F

You accept the change because -noverify is necessary for your code to run with the latest version of Java.

You reject the change because -Xms8g -Xmx8g uses too much system memory.

You accept the change because -noverify is a standard option that has been supported since Java 1.0.

You reject the change because -noverify is a critical security risk.

@FunctionalInterface

interface InterfaceC {

public boolean equals(Object o);

int breed(int x);

int calculate(int x, int y);

}

@FunctionalInterface

interface InterfaceD {

int breed(int x);

}

@FunctionalInterface

interface InterfaceE {

public boolean equals(int i);

int breed(int x);

}

interface InterfaceA {

int GERM = 13;

public default int getGERM() { return GERM; }

}

interface InterfaceB {

int GERM = 13;

public default int getGERM() { return get(); }

private int get() { return GERM; }

public boolean equals(Object o);

int breed(int x);

public List foo(Set m) {...}

public List foo(Set m) {...}

public List foo(TreeSet m) {...}

public List